Advertisements
Advertisements
Question
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f (x) = 2x +1, x = 1/2`
Advertisements
Solution
`f (x) = 2x +1, x = 1/2`
put `x=1/2⇒ f(1/x)=2xx(1/2)+1=1+1=2≠0`
`∴x=1/2` is not a root of `f(x)=2x+1`
APPEARS IN
RELATED QUESTIONS
Find p(0), p(1) and p(2) for the following polynomial:-
p(x) = (x – 1) (x + 1)
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = (x + 1) (x – 2), x = – 1, 2
Find the zero of the polynomial in the following case:
p(x) = x + 5
Find the zero of the polynomial in the following case:
p(x) = ax, a ≠ 0
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`g(x)=3x^2-2,` `x=2/sqrt3 2/sqrt3`
Verify whether the following are zeros of the polynomial indicated against them, or not
p(x) = 2x − 1, x = `1/2`
Find the number of zeros of the following polynomial represented by their graph
The zero of the polynomial 2x + 5 is
If p(x) = x + 3, then p(x) + p(–x) is equal to ______.
One of the zeroes of the polynomial 2x2 + 7x – 4 is ______.
